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It depends on what the toothbrush is made of.
answe the question instead of giving me links
how long does fabrics take to decompose how long does fabrics take to decompose
Does not decompose
1700 years to decompose
Gold will never decompose.
how lond does it take to decompose a band aid
iron does not decompose but after a long time and i mean a long time it just starts to flake away but does not decompose
how long
about 5oo years...
it takes about 10 years to decompose .
it takes over a year for it to decompose